Fatigue behaviour of BS 2L65 aluminium alloy pin - aerade

E
z
c
o
L.
o
..,I
700
600
500
400
300
200 -- b_._ E)
_ IOC
i
P
Q 0
-- C
E> 0
Bushed
0 t !
Before After
Before
peak
P
X ~ X
C
X X
b --.---,X
X....~--~
a
X.-~-----.._. x
E
O
..J
400
300
200
IOC
b a
Unbushed > Bushed Unbushed
I I 0 < I I I I
Before After Before After Before After
or after Before or after
in sequence peak in sequence
Fig 32 Effect of peak stress on local stress histories during subsequent
smaller net stress cycles
C
X
'i~ a Simulated N BR loading
at:
rms stress=32.2 (20) MNlm z
Mean stress=225.4 (140)HN/m 2
~n/N bushed = 2.2
d
Pin bearinq stress range
MN/m z
193-258 a
16| =290 b
129- 322 c
97 -354 d
74 - 377 p
(peak)
"11